The Shaft,shouldered, cataloged under National Stock Number 3040-01-389-9649, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-389-9649 |
| Primary Part Number | 2040986-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| First End Pitch Diameter | 0.4791 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 0.3800 INCHES NOMINAL IN |
| First End Spline Major Diameter | 0.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 0.6200 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 0.3700 INCHES NOMINAL IN |
| First End Spline Quantity | 23 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 0.4220 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 2040986-1 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 2040986 | D/9 Drawing number reference only Honeywell International Inc. Div Aerospace - Torrance |
| 2040986-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 3040-01-389-9649 is a Shaft,shouldered, manufactured by Moog Military Aircraft Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-389-9649 has 1 manufacturer part number on file: 2040986-1 (Moog Military Aircraft Llc).
Key specifications for 2040986-1: First End Pitch Diameter: 0.4791 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 0.3800 INCHES NOMINAL IN; First End Spline Major Diameter: 0.5000 INCHES NOMINAL IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.